linux-kernel - [PATCH tip/core/rcu 13/18] rcu: Prepare for consolidating expedited CPU selection

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Date:	Tue,  6 Oct 2015 09:29:32 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	dvhart@...ux.intel.com, fweisbec@...il.com, oleg@...hat.com,
	bobby.prani@...il.com,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 13/18] rcu: Prepare for consolidating expedited CPU selection

This commit brings sync_sched_exp_select_cpus() into alignment with
sync_rcu_exp_select_cpus(), as a first step towards consolidating them
into one function.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 kernel/rcu/tree.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 6885bfc9d2bf..500b1347554d 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3661,7 +3661,6 @@ static void sync_sched_exp_select_cpus(struct rcu_state *rsp)
 	unsigned long mask;
 	unsigned long mask_ofl_test;
 	unsigned long mask_ofl_ipi;
-	struct rcu_data *rdp;
 	int ret;
 	struct rcu_node *rnp;
 
@@ -3697,7 +3696,6 @@ static void sync_sched_exp_select_cpus(struct rcu_state *rsp)
 		for (cpu = rnp->grplo; cpu <= rnp->grphi; cpu++, mask <<= 1) {
 			if (!(mask_ofl_ipi & mask))
 				continue;
-			rdp = per_cpu_ptr(rsp->rda, cpu);
 			ret = smp_call_function_single(cpu, synchronize_sched_expedited_cpu_stop, NULL, 0);
 			if (!ret)
 				mask_ofl_ipi &= ~mask;
-- 
2.5.2

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